1#!/bin/bash
2
3# Just in case realpath doesn't exist, try a perl approach.
4function get_real_path()
5{
6  if realpath $0 &> /dev/null; then
7    realpath $0
8    return
9  fi
10  perl -e 'use Cwd "abs_path";print abs_path(shift)' $0
11}
12